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Fault diagnosis method, fault diagnosis system, and fault diagnosis device for engine
Fault diagnosis method, fault diagnosis system, and fault diagnosis device for engine
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机译:发动机的故障诊断方法,故障诊断系统及故障诊断装置
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摘要
In the present fault diagnosis method and the fault diagnosis system for an engine, an external diagnosis device: obtains continuous data on the incidences of misfire by misfiring cylinders from the vehicle's side with regard to the actually occurring misfire or past incidences of misfire; detects a misfire pattern, which is to be classified according to the presence of continuous incidences of misfire, on the basis of the continuous data; and narrows down a fault site in accordance with the misfire pattern.
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